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Shares of Best Buy Co., the nation's largest consumer electronics retailer, sank the most in 18 months Tuesday after it reported an 18 percent drop in earnings and lowered its fiscal 2008 profit estimate. The Richfield, Minn.-based company said first-quarter net income slid to $192 million, or 39 cents a share, from $234 million, or 47 cents a share, in the year-ago period. The most recent result missed estimates by 10 cents a share. Revenue rose 14 percent, to $7.93 billion, but that included the addition of 230 new stores, including 131 through acquisitions.

From the time Carlos Zambrano walked out of the clubhouse Aug. 12 through Friday's firing of general manager Jim Hendry, the Cubs have been in a constant state of turmoil. But starter Matt Garza has maintained the same crazy demeanor, as was evident in Saturday's 3-0 victory over the Cardinals. "I don't want to be the next one out," Garza said with a grin. "It stinks the way things have turned out. 'Z,' you know, Z is Z. Hendry, you hate to see a good guy like that (go out)

For years we've heard breathless reports about the potential for cyber-attacks to shut down electric grids and transit systems. Even minor cross-border digital incidents have gotten tabloid treatment. Now we know what a real cyber-attack looks like. And it looks pretty good from here. This one came at the welcome expense of the Iranian nuclear program. It involved no loss of life, invasion of territory or release of radioactivity. Yet the "Stuxnet" computer virus is said to have set back Tehran's nuclear arms race by as much as four years.

"CHUCK" 7 p.m. Monday, WMAQ-Ch. 5 New dramedy: Stars Zachary Levi, Adam Baldwin, Yvonne Strahovski Rating: Wanted to like it more than I did. Giving a negative review to "Chuck" is like kicking a puppy or taking a kid's candy. I feel like a heel for even considering it. Still, despite "Chuck's" zippy pace and fun dialogue, this nerd-friendly "spy-fi" show from "O.C." creator Josh Schwartz has plot holes you could drive a truck through. Given the show's genial, hard-working nature, I wanted to look past those structural problems, but I couldn't.

By Alexei Oreskovic SAN FRANCISCO, May 7 (Reuters) - Internet entrepreneurs made their television debut in April with the fictionalized comedy series Silicon Valley. Now start-up entrepreneurs are getting a self-help TV show in which aspiring tech moguls can call in anonymously and get advice from experienced industry players. The new weekly television program, called FounderLine, will fill a void for the growing ranks of tech start-up company founders, said Joe Beninato, a serial tech entrepreneur who created and is hosting the show.

Although the seasonal hiring forecast for 2011 wasn't as favorable as some may have expected, it may not be dire, either. According to data from outplacement consultancy Challenger, Gray & Christmas, Inc., the retail sector will add about as many seasonal employees as last year, when an unexpected 627,600 jobs were added October through December. That represented a 27 percent increase over 2009. Challenger, Gray & Christmas CEO John Challenger notes that flat seasonal hiring numbers aren't the best scenario, but that retailers will still be adding a significant number of jobs, and a lot more than when the recession was at its worst.

If you received a tablet, computer or a new phone this holiday, you're not alone. This year, tech gifts were expected to top a third of all holiday wish lists, according to the National Retail Federation. But that excitement felt by millions when they tore open the wrapping paper on their newest gadget will quickly turn to devastation when it's dropped onto the floor, when it falls out of a pocket and into the toilet or when it's left in a pocket and goes through the washing machine.

Sometimes a clever catchphrase can work too well. Backlash against the name of Facebook COO Sheryl Sandberg's "Ban Bossy" campaign threatens to overwhelm its girl-empowering message. At least Sandberg knows how to get people talking. A year ago she popularized "lean in" with a best-selling advice book - "Lean In: Women, Work and the Will to Lead" - and a nonprofit national Lean In network to build women leaders. Now she's unveiled Ban Bossy, a campaign that enlists power women as diverse as Condoleezza Rice, Jennifer Garner and Beyonce plus the Girl Scouts to beat back the negative thinking that squelches budding take-charge attitudes in girls.

Stephanie Roberts knew Second Life was just a computer game, but she couldn't resist the virtual world's promise of a real-world interest rate of more than 40 percent. The 33-year-old from Chicago, who played the game as a raven-haired vixen called Zania Turner, deposited $140 in Ginko Financial and waited for the money to grow. Instead, it vanished five months ago when Ginko, perhaps the first Ponzi scheme in history perpetrated by three-dimensional online avatars, left Second Life.